Wall Mounted USB 2.0 PTZ Camera Auto Tracking For Lecture Classroom

Wall Mounted USB2.0 Plug-N-Play PTZ auto tracking conference camera for lecture classroom Product Description Product No. TEVO-VHD202U Image Sensor 1/3 inch Exmor CMOS Effective pixel 2.1 mega pixel(16:9) Horizontal Resolution 1080p30/25, 720p30/25 Signal standard NTSC/PAL Zoom 20x optical zoom Focal length F=4.7mm(wide)-94.0(tele) Horizontal Angle Near-end 55.5°~Far-end 3.0° Gain control/Focus Auto/manual SNR ratio ≥50dB Wide dynamic D-WDR Shutter speed 8to1/ 10000s(auto)